Feature: 1. WIDE APPLICATION: Lithium battery protection board is widely used in battery pack of small sightseeing car, mobility scooter sharing car, high power energy storage, base station backup power supply, solar power station and other products, and can also be used for battery balance maintenance and repair 2. INSULATION PROTECTION: The coating can form an insulating protective layer to protect the circuit from environmental factors such as chemicals, moisture, leakage and other pollutants, so as to improve the reliability and safety of the printed circuit board and extend the service life of the printed circuit board 3. PORTS INFORMATION: The lithium battery protection board reserves external communication ports for more expansion space and supports CAN, RS485, and GPS 4. SMART AND BALANCED: The BMS lithium battery protection board is smart, come with BT, and come with a built in active balancer that will give you a balanced battery and full capacity at all times 5. CORROSION RESISTANT ALUMINUM ALLOY: Active balance module is made of excellent aluminum alloy material, light weight, possess good strength and good corrosion resistance Specification: Item Type: Lithium Battery Protection BoardMaterial: Aluminum alloy Battery Type: Ternary, iron lithium Balance Mode: Active balance Balance Current: 0.4A Continuous Current: 40A Battery String: 8-17S Operating Temperature Range: -20 ~ 70. Package List: 1 x Protection Plate1 x 6 Pin Flat Cable1 x 7 Pin Flat Cable1 x 15 Pin Flat Cable